In Fig. 5.39, P, Q and R are collinear points and TQ `bot` PR,
Name, (a) pair of complementary angles
(b) two pairs of supplementary angles.
(c) four pairs of adjacent angles.

In Fig.14, name all the pairs of adjacent angles.

In Fig.18A,B,C are collinear point and /_DBA=/_EBA .(i) Name two linear pairs (ii) Name two pairs of supplementary angles.

In Fig. 5.43, write all the pairs of supplementary angles.

Name the pairs of supplementary angles in the following figures:

Name the four pairs of supplementary angles shown in Fig.17.

Out of a pair of complementary angles, one is two-third of the other. Find the angles.

If Figure, /_A O F\ a n d\ /_F O G form a linear pair. /_E O B=\ /_F O C=90^(00)a n d\ /_D O C=\ /_F O G=\ /_A O B=30^0 Find the measure of /_F O E ,\ /_C O B\ a n d\ /_D O Edot Name all the right angles. Name three pairs of adjacent complementary angles. Name three pairs of adjacent supplementary angles. Name three pairs of adjacent angles.

In Fig. 5.40, OR bot OP. (i) Name all the pairs of adjacent angles. (ii) Name all the pairs of complementary angles.

One of the angles of a pair of supplementary angles is 2^@ more than its supplement , the angles are : -

Find the measure of an angle which forms a pair of supplementary angles with itself.